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Finding the Fourth Proportional to 340.17, 468.95 and 335.54

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Solution

The fourth proportional to 340.17, 468.95 and 335.54 is: 462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.17 : 468.95 = 335.54 : x
  2. Step 2: Convert to fraction form
    340.17/468.95 = 335.54/x
  3. Step 3: Cross multiply
    340.17x = 468.95 × 335.54
  4. Step 4: Simplify right side
    340.17x = 157,347.46
  5. Step 5: Solve for x
    x = 157,347.46/340.17
  6. Step 6: Final answer
    x = 462.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.